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Heat  Sealing  Equipment  for  Mil-Spec &  Industrial  Bag  Packaging  Applications

Doboy HDPT PBOM Bag Closer / Sealer

The Doboy HDPT Closer / Sealer seals the inner foil laminate or polyethylene liner of pinch bags (PBOM), then creases and securely seals the pinch closure.

Are you still using separate PTP (poly-thru-paper) and Pinch Bag closers?  The HDPT is an excellent way to improve your seal quality and simplify your maintenance!

Available with 40" and 56" pre-heat (inner liner sealer) sections, depending on you speed requirements.

Frequently used in industries like: polymer pellet bagging, plastic resins, bakery mixes, cheese bagging, moist pet food, milk products, ...

Doboy HDPT PBOM Bag Closer Sealer Photo
Doboy HDPT PBOM Bag Closer Sealer

Machine Features

  • Full-length Carrier Chains for Precise Bag Top Control
  • Adjustable Bag Infeed Guide
  • Digital Temperature Control
  • 40" Preheat Section to Heat Through Paper and Seal Inner Liner
  • Cast Iron Heating Bars
  • Teflon Coated Heat Manifold, Folding Section, & Compression Section
  • Right to Left Feed Direction
  • Variable Speed Drive
  • Welded Two Post Vertically Adjustable Floorstand
  • Hinged Guarding with Safety Interlock
  • Made in the USA

Options / Accessories

  • Casters for Portability Bag Top Cleaning Station
  • Pneumatic "Pop-Open" Heat Bars and Folder Section
  • Left to Right Feed Direction
  • Bag Top Printer
  • Ink Jet Printer
  • 56" Preheat Section for Thicker Bags and Higher Speeds
  • "Cap-Sac" Option for Bag-within-a-Bag Capability
  • Custom Infeed for Automated Bag Feeding Systems
  • 440 Volt Electric

Machine Specifications

Bag Style
PBOM Bag with Heat Seal Liner
Seal Height
22" to 58"
Speed Range
Up to 720 IPM
Machine Length
130" to 173"
Machine Width
Machine Height
Machine Weight
6 CFM @ 60 PSI
220 V / 60 Hz / 3 Phase